<template>
  <div>
    <div class='crumbs'>
      <el-breadcrumb separator='/'>
        <el-breadcrumb-item>
          <i class='el-icon-lx-cascades'></i> 基础表格
        </el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class='container'>
      <div class='handle-box'>
        <el-button
            type='primary'
            icon='el-icon-delete'
            class='handle-del mr10'
            @click='delAllSelection'
        >批量删除
        </el-button>
        <el-select v-model='query.address' placeholder='地址' class='handle-select mr10'>
          <el-option key='1' label='广东省' value='广东省'></el-option>
          <el-option key='2' label='湖南省' value='湖南省'></el-option>
        </el-select>
        <el-input v-model='query.name' placeholder='用户名' class='handle-input mr10'></el-input>
        <el-button type='primary' icon='el-icon-search' @click='handleSearch'>搜索</el-button>
      </div>
      <el-table
          :data='tableData'
          border
          class='table'
          ref='multipleTable'
          header-cell-class-name='table-header'
          @selection-change='handleSelectionChange'
      >
        <el-table-column type='selection' width='55' align='center'></el-table-column>
        <el-table-column prop='id' label='ID' width='55' align='center'></el-table-column>
        <el-table-column prop='name' label='用户名'></el-table-column>
        <el-table-column label='账户余额'>
          <template slot-scope='scope'>￥{{ scope.row.money }}</template>
        </el-table-column>
        <el-table-column label='头像(查看大图)' align='center'>
          <template slot-scope='scope'>
            <el-image
                class='table-td-thumb'
                :src='scope.row.thumb'
                :preview-src-list='[scope.row.thumb]'
            ></el-image>
          </template>
        </el-table-column>
        <el-table-column prop='address' label='地址'></el-table-column>
        <el-table-column label='状态' align='center'>
          <template slot-scope='scope'>
            <el-tag
                :type="scope.row.state==='成功'?'success':(scope.row.state==='失败'?'danger':'')"
            >{{ scope.row.state }}
            </el-tag>
          </template>
        </el-table-column>

        <el-table-column prop='date' label='注册时间'></el-table-column>
        <el-table-column label='操作' width='180' align='center'>
          <template slot-scope='scope'>
            <el-button
                type='text'
                icon='el-icon-edit'
                @click='handleEdit(scope.$index, scope.row)'
            >编辑
            </el-button>
            <el-button
                type='text'
                icon='el-icon-delete'
                class='red'
                @click='handleDelete(scope.$index, scope.row)'
            >删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <div class='pagination'>
        <el-pagination
            background
            layout='total, prev, pager, next'
            :current-page='query.pageIndex'
            :page-size='query.pageSize'
            :total='pageTotal'
            @current-change='handlePageChange'
        ></el-pagination>
      </div>
    </div>

    <!-- 编辑弹出框 -->
    <el-dialog title='编辑' :visible.sync='editVisible' width='30%'>
      <el-form ref='form' :model='form' label-width='70px'>
        <el-form-item label='用户名'>
          <el-input v-model='form.name'></el-input>
        </el-form-item>
        <el-form-item label='地址'>
          <el-input v-model='form.address'></el-input>
        </el-form-item>
      </el-form>
      <span slot='footer' class='dialog-footer'>
                <el-button @click='editVisible = false'>取 消</el-button>
                <el-button type='primary' @click='saveEdit'>确 定</el-button>
            </span>
    </el-dialog>
  </div>
</template>

<script>
import { fetchData } from '../../../utils';

export default {
  name: 'basetable',
  data() {
    return {
      query: {
        address: '',
        name: '',
        pageIndex: 1,
        pageSize: 10
      },
      tableData: [],
      multipleSelection: [],
      delList: [],
      editVisible: false,
      pageTotal: 0,
      form: {},
      idx: -1,
      id: -1
    };
  },
  created() {
    this.getData();
  },
  methods: {
    // 获取 easy-mock 的模拟数据
    getData() {
      fetchData(this.query).then(res => {
        console.log(res);
        this.tableData = res.list;
        this.pageTotal = res.pageTotal || 50;
      });
    },
    // 触发搜索按钮
    handleSearch() {
      this.$set(this.query, 'pageIndex', 1);
      this.getData();
    },
    // 删除操作
    handleDelete(index, row) {
      // 二次确认删除
      this.$confirm('确定要删除吗？', '提示', {
        type: 'warning'
      })
          .then(() => {
            this.$message.success('删除成功');
            this.tableData.splice(index, 1);
          })
          .catch(() => {
          });
    },
    // 多选操作
    handleSelectionChange(val) {
      this.multipleSelection = val;
    },
    delAllSelection() {
      const length = this.multipleSelection.length;
      let str = '';
      this.delList = this.delList.concat(this.multipleSelection);
      for (let i = 0; i < length; i++) {
        str += this.multipleSelection[i].name + ' ';
      }
      this.$message.error(`删除了${str}`);
      this.multipleSelection = [];
    },
    // 编辑操作
    handleEdit(index, row) {
      this.idx = index;
      this.form = row;
      this.editVisible = true;
    },
    // 保存编辑
    saveEdit() {
      this.editVisible = false;
      this.$message.success(`修改第 ${this.idx + 1} 行成功`);
      this.$set(this.tableData, this.idx, this.form);
    },
    // 分页导航
    handlePageChange(val) {
      this.$set(this.query, 'pageIndex', val);
      this.getData();
    }
  }
};
</script>

<style scoped>
.handle-box {
  margin-bottom: 20px;
}

.handle-select {
  width: 120px;
}

.handle-input {
  width: 300px;
  display: inline-block;
}

.table {
  width: 100%;
  font-size: 14px;
}

.red {
  color: #ff0000;
}

.mr10 {
  margin-right: 10px;
}

.table-td-thumb {
  display: block;
  margin: auto;
  width: 40px;
  height: 40px;
}
</style>
